Stadium: Center Court Round: 26 Ground: Hardcourt outdoor
| Challenger Aptos | 2016/08/09 18:00 | Kelly, Dayne v Mitchell, Benjamin | 3-6,1-6 |
| Challenger Launceston | 2018/02/05 23:00 | Alex Bolt v Mitchell, Benjamin | 4-6,2-6 |
| Launceston, Australia | 2018/02/04 23:00 | Mitchell, Benjamin v Ulises Blanch | 6-4,6-7,7-5 |
| Launceston, Australia | 2018/02/04 02:00 | Mitchell, Benjamin v Grills, Jacob | 7-5,6-3 |
| Launceston, Australia | 2018/02/03 02:10 | Sebastian Fanselow v Mitchell, Benjamin | 3-6,6-3,5-7 |
| Challenger - Burnie - Qualifications | 2018/01/26 23:00 | Mitchell, Benjamin v Caruana, Liam | 1-6,4-6 |
| Challenger Canberra | 2018/01/10 00:50 | Mitchell, Benjamin v Mayer, Florian (1983) | 4-6,6-7 |
| Challenger Canberra | 2018/01/08 00:40 | Propoggia, Dane v Mitchell, Benjamin | 6-3,3-6,1-6 |
| Challenger Canberra 2 | 2017/11/02 00:30 | Marc Polmans v Mitchell, Benjamin | 6-2,2-6,7-5 |
| Challenger Launceston | 2018/02/05 03:20 | Kelly, Dayne v Luke Saville | 6-4,6-4 |
| Challenger - Burnie | 2018/01/29 08:10 | Granollers, Marcel v Kelly, Dayne | 7-6,7-6 |
| Australian Open Qual | 2018/01/09 23:00 | Wu, Di v Kelly, Dayne | 6-1,7-6 |
| Challenger Playford Qual | 2018/01/01 01:00 | Kelly, Dayne v Jason Kubler | 6-7,4-6 |
| Challenger Playford Qual | 2017/12/31 02:25 | Kelly, Dayne v van Rensburg, Sean | 6-1,6-1 |
| Challenger Hua Hin | 2017/11/22 03:00 | Kelly, Dayne v Soeda, Go | 6-4,3-6,2-6 |
| Challenger Canberra 2 | 2017/10/31 00:00 | Marc Polmans v Kelly, Dayne | 3-6,7-6,6-3 |
| Challenger Traralgon | 2017/10/24 02:40 | Kelly, Dayne v Sebastian Fanselow | 3-6,6-7 |